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CVE-2022-0742

28
FAUCET Score

CVE-2022-0742 is a memory leak vulnerability in the Linux Kernel (versions 5.13+) icmp6 implementation, allowing a remote attacker to cause a denial-of-service by exhausting memory with specific icmp6 packets. This vulnerability is rated High severity (CVSS 7.5) due to its network-based attack vector, low complexity, and high impact on availability. While there is no known active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered significant community discussion, indicating awareness and potential for future exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
>= 5.13, < 5.15.27CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.16, < 5.16.13CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
5.17CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:5.17:rc1:*:*:*:*:*:*
5.17CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:5.17:rc2:*:*:*:*:*:*
5.17CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:5.17:rc3:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.1CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
5.04%
Probability of exploitation in next 30 days
EPSS Percentile
91.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0504 is in the 85th percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (4)

microsoftpatch availablevia msrc
Product: 17993-16820Fixed in: 5.10.168.1-1
microsoftpatch availablevia msrc
Product: 18476-16823Fixed in: 5.15.32.1-2
microsoftpatch availablevia msrc
Product: cm1 hyperv-daemons 5.10.168.1-1 on CBL Mariner 1.0Fixed in: 5.10.168.1-1
microsoftpatch availablevia msrc
Product: cbl2 kernel 5.15.32.1-2 on CBL Mariner 2.0Fixed in: 5.15.32.1-2

Vendor Advisories (2)

microsoft2022-Mar/CVE-2022-0742Important

Memory leak in ICMP6 in Linux Kernel

Mar 8, 2022
redhatCVE-2022-0742Important

kernel: bug memory leaks in ICMPv6 handlers

Mar 3, 2022

References

git.kernel.org / pub/scm/linux/kernel/git/torvalds/linux.git/commit
PatchVendor Advisory
security.netapp.com / advisory/ntap-20220425-0001
Third Party Advisory
openwall.com / lists/oss-security/2022/03/15/3
Mailing ListThird Party Advisory